Five Billiard Balls Are in Contact and at Rest on a Wire

question 16

Multiple Choice

Five billiard balls are in contact and at rest on a wire that passes through their centers. Two billiard balls are slammed into one end of the row of five at a velocity . If the balls are free to slide but not roll and if the collision is elastic, which of the following is most likely to take place?

• A) One ball at each end goes off with a speed v.
• B) One ball on the side opposite the striking balls goes off with a speed of 2v.
• C) The five balls move off together with a speed of 2v/5.
• D) Two balls on the side opposite the striking balls go off with a speed of v.
• E) None of these will occur.

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Definitions:

Sex-Linked Genes Principle

A concept in genetics where certain genes are carried on sex chromosomes, leading to traits or disorders being passed down through one's sex.

Polygenically Inherited Characteristics

Traits that result from the contribution of multiple genes, leading to a wide diversity in phenotypes, such as height, skin color, and susceptibility to certain diseases.

Blue-Collar

Pertains to workers who engage in manual labor or skilled trades, often requiring physical exertion or specialized skills.

White-Collar

White-collar refers to occupations that are typically performed in an office or professional setting, often involving mental or clerical work, rather than manual labor.